00519nam a2200181 a 4500 PILC 20150519091754.0 030810s enk 000 0 eng d 0140217150 BF455 .D35 1973 De Bono, Edward, 1933- Po : beyond yes & no / Edward de Bono. Harmondsworth : Penguin Books, 1973. 175 pages : illustrations ; 18 cm. Pelican books. Thought and thinking. lcc BK FOR 284017 284017 0 0 lcc 0 A A NULL 2015-05-19 DONATION 0 BF455 .D35 1973 C19326 2018-05-15 00:00:00 2015-05-19 BK